|
''Arctoscopus japonicus'', the sailfin sandfish or Japanese sandfish, is a species of fish of the Perciformes (Perch-likes) order, Trichodontidae (sandfishes) family. Known in Japan as , it is a commercially important fish especially for Akita and Yamagata prefectures.〔 Its habitat occurs in sandy-mud bottoms ranging from the Sea of Japan to the Okhotsk Sea.〔 As a food source, the fish has mostly been sourced locally from the coastal region of the Sea of Japan, and has been designated the official prefectural fish of Akita Prefecture〔 The fish, which is scaleless, may be prepared whole as braised or grilled fish, and has a mucilagenous consistency.〔 It is also dried to make stockfish; salted, dried, and made into ''himono''; and cured in miso as ''misozuke''. It is the main ingredient of the fish sauce called ''shottsuru''.〔 The egg masses are known as ''burikko''.〔 In Korean the fish is called ''dorumuk''.〔 The fish had also been used dried or in fish meal form as fertilizer, and shipped to agricultural areas at one time, into the 20th century. == Life cycle and behavior== ''Arctoscopus japonicus'' has a life span of 5 years,〔 attaining a typical fork length of 20 cm. It is a deep sea fish that usually inhabits sandy and muddy sea floors in waters 200 to 400 meters (550 meters〔Fedorov, V.V., I.A. Chereshnev, M.V. Nazarkin, A.V. Shestakov and V.V. Volobuev, 2003. Catalog of marine and freswater fishes of the northern part of the Sea of Okhotsk. Vladivostok: Dalnauka, 2003. 204 p.〕) deep, but migrates from November to January to spawn in shallow rocky beds of seaweed.〔 The males reach sexual maturity at 1 1/2 years of age and beyond, and females at the 2-year-old stage; the individuals do not die after single spawning, and have several breeding cycles during their life span.〔〔 (abstract )〕 It preys and feeds on amphipods, copepods, mysidacea, krill, squid, and fish.〔〔 (abstract )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Arctoscopus japonicus」の詳細全文を読む スポンサード リンク
|